<!--
var submitit = 0;
function checkForm(check) {
if (submitit == 1) {
	alert("Uw email wordt al verwerkt, even geduld aub!");
	return false;
}
submitit = 1;
var veldmelding = new Array();
var checkvelden = new Array();
if (check < '2') {
	//vertalen
	veldmelding[0] = "naam";
	veldmelding[1] = "emailadres";
	if (check == '0') {
		veldmelding[2] = "bericht";
	} else {
		veldmelding[2] = "emailadres";
		veldmelding[3] = "bericht";
	}	
	var invullen="De volgende velden nog invullen svp:";
	//einde vetalen
	checkvelden[0] = "naam";
	checkvelden[1] = "emailadres";
	if (check == '0') {
		checkvelden[2] = "infotekst";
	} else {
		checkvelden[2] = "toemailadres";
		checkvelden[3] = "infotekst";
	}
} else {
	//vertalen
	if (check == '2') {
		veldmelding[0] = "bericht";
	} else {
		veldmelding[0] = "emailadres";
		veldmelding[1] = "bericht";
	}	
	var invullen="De volgende velden nog invullen svp:";
	//einde vetalen
	if (check == '2') {
		checkvelden[0] = "infotekst";
	} else {
		checkvelden[0] = "toemailadres";
		checkvelden[1] = "infotekst";
	}
}
var melding = '';

for (i=0; i<checkvelden.length; i++) {
	if (document.formmail.elements[checkvelden[i]].value == '') {
		if (melding=='') {
			melding = veldmelding[i];
		}
		else {
			melding += (', ' + veldmelding[i]); 
		}
	}
}
if (melding=='') {
	return true;

} else {
	melding = invullen + '\n' + melding;
	alert (melding);		
	submitit = 0;
	return false;	
}
}	 

function na_email_validation(fname, type_name, str) 
{
  var email_validation = true
  var temp = document.forms[fname].elements[type_name]
  var at = temp.value.indexOf('@')
  var prd = temp.value.lastIndexOf('.')
  var space = temp.value.indexOf(' ')
  var length = temp.value.length - 1   

  if (temp.value == '') {
	return true
  }

  if ((at < 1) || (prd <= at+1) ||  (prd == length ) ||  (space  != -1)) {  
    email_validation = false
    alert(str)
    temp.focus()
  }
  return email_validation
}

// -->